On September 6, TAEYONG shared a heartbreaking post on the group's Twitter.
In the post, TAEYONG said, "Today, my best friend Ruby left the world. I thought hard on whether how I should deliver this to you."
He continued, "Ruby received a tremendous amount of love from you as well as our family. She probably loved that."
He went on, "Dear Ruby, my perfect friend and family, if we were to ever meet in the next life, let's take better care of each other. I love you."
As TAEYONG has publicly demonstrated his love towards Ruby a number of times in the past, fans' hearts broke after hearing the news.
▶ [SBS Star] How Much NCT TAEYONG Loves His 11-year-old Dog 'Ruby'
(SBS Star)